301.They don't care about winning or losing.

　　302.produce better foodstuffs in terms of quality and quantity

　　303.GM(Genetically modified) technology opens a new dimension for scientific research.

　　304.bring the whole plant growth process under our control

　　305.With careful regulation and control, the advantages wil far outweight the disadvantages.

　　306.high tuition fees 复数

　　307.make sure that money does not corrupt this international goodwill sports gathering

　　308.dissolve tensions between countries and promote harmony between their people

　　309.deter would-be crimials

　　310.fortitude